19812702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 49319424

約数和(自身を除く): 29506722

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 131, 182, 262, 273, 277, 393, 546, 554, 786, 831, 917, 1662, 1703, 1834, 1939, 2751, 3406, 3601, 3878, 5109, 5502, 5817, 7202, 10218, 10803, 11634, 11921, 21606, 23842, 25207, 35763, 36287, 50414, 71526, 72574, 75621, 108861, 151242, 217722, 254009, 471731, 508018, 762027, 943462, 1415193, 1524054, 2830386, 3302117, 6604234, 9906351, 19812702]

約数ペア:

[(1, 19812702), (2, 9906351), (3, 6604234), (6, 3302117), (7, 2830386), (13, 1524054), (14, 1415193), (21, 943462), (26, 762027), (39, 508018), (42, 471731), (78, 254009), (91, 217722), (131, 151242), (182, 108861), (262, 75621), (273, 72574), (277, 71526), (393, 50414), (546, 36287), (554, 35763), (786, 25207), (831, 23842), (917, 21606), (1662, 11921), (1703, 11634), (1834, 10803), (1939, 10218), (2751, 7202), (3406, 5817), (3601, 5502), (3878, 5109)]